. Annual report of the Agricultural Experiment Station. Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). 526 Bulletin 78. that might be devised to combat them. The soil was also very loose and uneven, and had been cultivated into ridges in which the plants had been set ; and we purposely had the cards put on with only the care that an inex- perienced person would take. Although the conditions were thus against the success of the method, yet Mr. Reeve reported in August that he had cut 327 heads from the two rows on which the cards were put; the west half of
. Annual report of the Agricultural Experiment Station. Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). 526 Bulletin 78. that might be devised to combat them. The soil was also very loose and uneven, and had been cultivated into ridges in which the plants had been set ; and we purposely had the cards put on with only the care that an inex- perienced person would take. Although the conditions were thus against the success of the method, yet Mr. Reeve reported in August that he had cut 327 heads from the two rows on which the cards were put; the west half of the 3rd row gave 77 heads, and the west half of the 7th row 60 heads (chickens had destroyed about 25 plants on the end of these half rows) ; from the east half of the first row he had cut 100 heads, and from the east half of the 4th row 90 heads. The two untreated rows together produced but 90 heads. The experience of Mr. Smith given in his letter above, well illustrates the importance of proper conditions and proper care in applying the cards. He also writes us on this point: "If the soil is very light and loose, care must be taken that the plants arenot pressed down too deeply so as to form a cup or dish around the plant. . If the land is very soft, the better plan would be to roll it before setting the ; To further impress the idea of properly putting on the cards, we have introduced figure 16 which shows a card properly applied at a/ and one carelessly put on at b, under which a female fly could easily crawl and lay her quota of eggs near the stem. With a little practice, the cards can be applied properly just as easily and as quickly as it can be done carelessly. Growers will soon learn, as have Messrs. Smith Brothers of Wisconsin, that the cards, to be effective, must be properly applied ; and that when the cards are thus applied, they are very effective. Our experience satisfies us that these cards will afford almost complete protection to cabbages and
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